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Who can and cannot take phenytoin

Who can take phenytoin

Most adults and children of any age can take pheyntoin.

Who may not be able to take phenytoin

Phenytoin is not suitable for some people. To make sure it's safe for you, tell your doctor if you:

  • have ever had an allergic reaction to phenytoin or any other medicine
  • have liver or kidney problems
  • have a rare condition called porphyria
  • cannot have alcohol – phenytoin liquid contains a small amount of alcohol
  • have ever had a rash caused by phenytoin
  • are pregnant or planning to get pregnant

Page last reviewed: 9 March 2022
Next review due: 9 March 2025